/**
 * Copyright [2012-2013] [Guðmundur Björn Birkisson]
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License. Copyright [2012-2013] [Guðmundur Björn Birkisson]
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 * ---------------------------------------------------------------------------
 * 
 * Class name:  cChangeStone
 * 
 * Description of class:
 * 
 * Command for Map Editor.
 * 
 */

package karel.editors.mapeditor;

import karel.gamelogic.world.KarelMap;

public class cChangeStone implements Command {
    
    KarelMap karelMap;
    private boolean increment;
    private int x;
    private int y;
    
    public cChangeStone(boolean increment, KarelMap karelMap, int x, int y) {
        this.increment = increment;
        this.karelMap = karelMap;
        this.x = x;
        this.y = y;
    }

    @Override
    public void execute() {
        if(increment) {
            karelMap.data[x][y].addRock();
        } else {
            karelMap.data[x][y].removeRock();
        }
        
    }

    @Override
    public void unexecute() {
        if(!increment) {
            karelMap.data[x][y].addRock();
        } else {
            karelMap.data[x][y].removeRock();
        }
    }

}
